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JavaScript - Very Simple Onchange Bug (i Hope)
What i have is a bit of Ajax code which would use the value of one select to populate the second select.
So the code looked a little like this. Code: <select name="category" onchange="category(this.value)"><option>...</option></select> The Javascript code I wrote worked fine. Then when I wrapped the selects in a form, my onchange events wouldnt work. Im a bit of a Javascript novice so could someone point out what I have missed here. I have tested and it is the form that is blocking the onchange from working. Im testing this in Chrome. Thanks for your time. Similar TutorialsHello! I have a script that prints a DIV and I am looking to set the font for the generated page, and the font color and size. But for the life of me, I cannot figure out if it can be done in this script, or if I have to setup a separate print.css. Here is my script: Code: <script type="text/javascript">
function PrintDiv_print_all() {
var divToPrint = document.getElementById('print_all');
var popupWin = window.open('', '_blank', 'width=600,height=800,scrollbars=yes');
popupWin.document.open();
popupWin.document.write('<html><body onload="window.print()">' + divToPrint.innerHTML + '</html>');
popupWin.document.close();
}
</script>
I am still learning this stuff and any help is appreciated! Hey all, i'm new here and first off, i'd just like to offer my sincerest appologies if i've posted this in the wrong section! I've made some basic HTML web sites in the past and now the company i work for has asked me to make one. Its a rubber roller manufacture company and i would like to make a page that will have input fields and a submit button that will send the inputted details to our sales manager's email address...something like this Contact Name: (input box) Company Name: (input box) Roller Diameter: (input box) Required Compound: (input box) Email Address: (input box) (SEND BUTTON) Also it would be a massive help if someone could tell me if it is possible for me to set it so that once the send button is clicked, it will send an email of the data but also redirect to another page (just saying thanks for input etc etc) HUGE thanks in advance!!! Hello all, I have a translation script that I want to modify to use select boxes instead of divs, but I have a little problem with what I have. Bascially, the user selects an option and it changes the text in between the ' ' (VALUE) to whatever the value of the option is: Code: <select onchange="updateLangTo('VALUE')">
<option value="en">English</option>
<option value="ar">Arabic</option>
</select>
So how would JavaScript be able to accomplish this? Would appreciate some help making some minor enhancements to a pet adoption form: http://pawsct.org/application.php Problem - Applicants don't read. They answer "No" to the "Agree to Shelter Visit" question, then fill out the looooong application, and get abusive when told that they're not eligible for adoption. They apply from Florida and ignore the warnings about the 90 mile limit. Text notes just don't make enough of an impact. I want to use OnChange to give an alert if someone does not answer "Yes" to agree to a shelter visit (i.e. popup "You must agree to a shelter visit to qualify for an adoption from PAWS") and perhaps a warning message (red text reminder about the 90 mile limit next to the drop-down box) if someone enters a state other than CT. Second problem - I'm a volunteer who doesn't know javascript and can't cobble together a SIMPLE, workable solution from other code samples. Any assistance that you can provide would be most welcome and appreciated. Note: we are planning a redesign of the web site and may do some more sophisticated form validation (e.g. check age, valid e-mail, valid phone) in the future. But for now, we're just looking to check a few key fields for answers that would immediately disqualify an applicant. Hi Guys, For my Duke of Edinburgh award ( a scheme in the UK), I've started maintaining the local church website. I had a plan to use Javascript to create a variable array, containing references to a weekly bible reading, which would then be loaded up in the browser. The browser would then use the local date to decide which reading it takes (from the array), and would then take that reading from a separate website. Could anybody give me any suggestions or pointers regarding this script, or link me to some tutorials which would be suitable for a novice scripter - I'm 15, and only really know basic html and a few very basic bits of javascript/c++. Many thanks, Conor Hi folks. I'm working on a calculator and need to use the 'onchange' function. Basically, the user selects the year (id=taxYear) and once the year is select (default is 2008) this year will appear in 2 different lines of the page under 2 seperate ID's(ageYear & totalYear). I've looked at a few example of the function but I'm still not sure how to approach it. At the moment the year changes once I hit the 'calculate' button but the onChange would obviously offer a better alternative with the date changing once 'taxYear' is changed. here is the script; Code: //check the year
var taxYear = document.getElementById('taxYear').options[document.getElementById('taxYear').selectedIndex].value;
document.getElementById('ageYear').innerHTML = taxYear;
document.getElementById('totalYear').innerHTML = taxYear;
Here is the jsp; Code: <tr>
<td align="left" width="203" colspan=""><p> Your Tax Year: </p></td>
<td align="left" >
<s:select name="taxYear" id="taxYear" list="#{'2008':'2008', '2009':'2009'}" theme="simple" />*
</td>
</tr>
<tr>
<td align="left" width="203"><p> Age at December 31st <span id="ageYear"></span></p></td>
<td align="left" colspan="1">
<s:textfield name="age" id="age" theme="simple" cssClass="text" value="30" /> *
<div id="errorage" class="warningmessage" style="display:none">
Please enter your Age to proceed.
</div>
</td>
</tr>
<tr>
<td colspan="2" class="basicboldtext">
<br/>
The total pension contribution you can make for year <span id="totalYear"></span> is €<span id="totalTax2"></span>
<br/>
</td>
</tr>
Appreciate any help on this! I have a onChange value
Code:
var people = [
["Timothy Conner", "1999-Present", "Age: 12", "Male", ""],
["Andrew Conner", "1992-Present", "Age: 19", "Male", ""]
];
var how = "Brothers";
function find()
{
if(document.getElementById("name").value == people [0] [0])
{
document.getElementById("desc").value = people [0] [1] + " " + people [0] [2] + " " + people [0] [3];
}
if(document.getElementById("name").value == people [1] [0])
{
document.getElementById("desc").value = people [1] [1] + " " + people [1] [2] + " " + people [1] [3];
}
document.getElementById("relateb").value = document.getElementById("name").value;
}
Code: Name: <input type="text" id="name" value="" onChange="find()"/> So for it to proses a name you must click out of a box is ther a way to make it instead of when you click out of it, it would immidiatly change? Code: <input type = "text" style ='display:none;' onchange="display_data_from_server(this.value)"/> Value inside that input is cahanged from js. Is there any reason that onchange would not happen ? i mean, it does not. I'm trying to figure out how to call multiple functions within the same onchange attribute, associated in the same select object. I have a drop-down menu in which I can select MN, WI, and Other. I've worked it now so that when I select MN, a new drop-down menu appears in which I can select one of MN's Counties. I want to be able to do the same with WI and Other, but my code is only calling MN. Here it is: Code: <html>
<head>
<script="text/javascript">
function showMN(select)
{
select.form.MN.value=""; // reset the text box value
document.getElementById("MNBox").style.display =
select.value == "MN" ? "inline" : "none";
}
function showWI(select)
{
select.form.WI.value=""; // reset the text box value
document.getElementById("WIBox").style.display =
select.value == "WI" ? "inline" : "none";
}
function showOther(select)
{
select.form.otherState.value = ""; // reset the text box value
document.getElementById("otherBox").style.display =
select.value == "Other" ? "inline" : "none";
</script>
</head>
<body>
<select name="state" onchange="showMN(this);showWI(this);showOther(this)">
<option value="" selected="selected">Choose...</option>
<option value="MN">MN</option>
<option value="WI">WI</option>
<option value="Other">Other</option>
</select><font color="red">*</font>
<span id="MNBox" style="display:none">
County: <select name="MN">
<option value="" selected="selected">Choose...</option>
<option value="List of MN Counties">List of MN Counties</option> </select><font color="red">*</font>
<span id="WIBox" style="display:none">
County: <select name="WI">
<option value="" selected="selected">Choose...</option>
<option value="List of WI Counties">List of WI Counties</option>
</select><font color="red">*</font>
<span id="otherBox" style="display:none">
<input type="text" name="otherState" placeholder="Enter state here"/><font color="red">*</font> <input type="text" name="otherCounty" placeholder="Enter County here"</span>
</body>
</html>
Am I even close? Hi everyone. i hope you could help me for my problem. I want to place a value in the option when i change the contenent. ie when i select North America It shoulde be <option value='1'>Canada</option><option value='2'>United States</option> and so on and so fort... Please help. Code: <script type="text/javascript">
//<![CDATA[
// array of possible countries in the same order as they appear in the country selection list
var countryLists = new Array(4)
ccountryLists["empty"] = ["Select a Country"];
countryLists["North America"] = ["Canada", "United States", "Mexico"];
countryLists["South America"] = ["Brazil", "Argentina", "Chile", "Ecuador"];
countryLists["Asia"] = ["Russia", "China", "Japan"];
countryLists["Europe"]= ["Britain", "France", "Spain", "Germany"];
/* CountryChange() is called from the onchange event of a select element.
* param selectObj - the select object which fired the on change event.
*/
function countryChange(selectObj) {
// get the index of the selected option
var idx = selectObj.selectedIndex;
// get the value of the selected option
var which = selectObj.options[idx].value;
// use the selected option value to retrieve the list of items from the countryLists array
cList = countryLists[which];
// get the country select element via its known id
var cSelect = document.getElementById("country");
// remove the current options from the country select
var len=cSelect.options.length;
while (cSelect.options.length > 0) {
cSelect.remove(0);
}
var newOption;
// create new options
for (var i=0; i<cList.length; i++) {
newOption = document.createElement("option");
newOption.value = cList[i]; // assumes option string and value are the same
newOption.text=cList[i];
// add the new option
try {
cSelect.add(newOption); // this will fail in DOM browsers but is needed for IE
}
catch (e) {
cSelect.appendChild(newOption);
}
}
}
//]]>
</script>
Code: <noscript>This page requires JavaScript be available and enabled to function properly</noscript>
<h1>Dynamic Select Statements</h1>
<label for="continent">Select Continent</label>
<select id="continent" onchange="countryChange(this);">
<option value="empty">Select a Continent</option>
<option value="1">North America</option>
<option value="2">South America</option>
<option value="3">Asia</option>
<option value="4">Europe</option>
</select>
<br/>
<label for="country">Select a country</label>
<select id="country">
<option value="0">Select a country</option>
</select>
I need the code to run a few functions on change, the box is a "date picker" and I unsure how to add my onchange function without breaking the date picker, can anyone help ? Code: p>end date:</p>
<input id='secondDate' type="text" size="25"><a href="javascript:NewCal('secondDate','ddmmyyyy')"><img src="images/cal.gif" width="16" height="16" border="0" alt="Pick a date" onchange="dateDiff() ;calculate() ;deposit() ;milecharge() ;agecheck()"></a>
hi i have a form where i need to join fields from the form prior to submission to flow into a pdf form. here is the function PHP Code: <SCRIPT language='javascript' type='text/javascript'> function joinna(form, elemName, ttl) { form.bname.value = form.b_fname.value + ' ' + form.b_lname.value; } </script> here is what the form input looks like PHP Code: <input class="left" onBlur="mark(this,'#ffffff','#000000')" name="b_fname" size="20" maxlength="40" onFocus="nextfield ='cb_fname'; mark(this,'#FFFF99','#0000FF')" value="<?php echo $row['b_fname'];?>" onChange="joinna(this.form,'b_fname','p1f6');"> </span> <input class="left" onBlur="mark(this,'#ffffff','#000000')" name="b_lname" size="20" maxlength="40" onFocus="nextfield ='cb_fname'; mark(this,'#FFFF99','#0000FF')" value="<?php echo $row['b_lname'];?>" onChange="joinna(this.form,'b_lname','p1f6');"> </span> and here is the calc field PHP Code: <input type="hidden" NAME="bname" value="" Size="7" onBlur="mark(this,'#ffffff','#000000')" onFocus="blur();document.smartform.bname.focus()" onChange="this.form.b_fname.value + this.form.b_lname.value; joinna(this.form,'field');" > this works fine IF i manually insert something new into the b_fname field. but lets say a user pulls the for to edit, and then makes no changes, "bname" will remain blank. what i want to do is call the function and/or force an 'onchange' or do whatever so bname is not left blank in the event the user submits w/o making any changes to the form tia HI, i know very little about javascript, just enough to get me into trouble actually lol. Here is what im working with. I have a custom Instant messenger for members. It uses embed object macromedia as well as javascript to diplay the window and send messages. What i want to do is simply add an onchange that when one person is typing it shows they are typing (ie xxxxx is typing....) My experience is in php and html and i looked thru the script and the javascript functions but im not sure what im looking for exactly. Do i need to have access to the swf or fla file and be able to edit them to do this? I dont see any form inputs or i would know exactly where to put the onchange lol. Im guessing the input is in the swf or fla file not sure how that works. what im guessing is that in the embed or the object tags (ill play with it) i can put something like Code: document.write('test on change\n');
i think i need to wrap that in doc write script type=javascript in quotes so it parses. If i can get that text to show up inside the IM where i want it then i can try to figure out how to set focus on box and recongize onchange and do some testing. I think i might even be able to doc write the onchange command but not sure. Thanks i keep getting the following error: - there is no attribute "onChange" Code: <select name="type" id="type" onChange="gettype('type');">
<option selected="selected">--Car type--</option>
<option value="1">Bmw</option>
<option value="2">Merc Blinds</option>
<option value="3">Ford</option>
<option value="4">Saab</option>
</select>
Evening all. I have a little bit of code, thus: Code: var data = document.createElement("td");
box = document.createElement("input");
box.id = headercategories[i];
box.type = text;
box.value = "Ten";
box.onChange = alter("11");
data.appendChild(box);
in which I insert a text input box into a table data element. When the value of the input is changed, I would like to call the function alter(). However, what's happening in practice is that the function alter is getting called straight away, without waiting for any changes. Is there any way I can stop this? It doesn't seem to happen if you actually write the onchange bit into the HTML by hand rather than doing it dynamically. Thanks, Chris How can i change this code to do not duplicate the boxes when one option is selected in the same box as before? http://www.plpgolfandturf.com.au/rr/rrboxes_test.php Code: <script type="text/javascript">
function SetHTML2(type) {
//document.getElementById("1").style.display = "none"
//document.getElementById("2").style.display = "none"
//document.getElementById("3").style.display = "none"
//document.getElementById("4").style.display = "none"
//document.getElementById("1.1").style.display = "none"
//document.getElementById("1.2").style.display = "none"
//document.getElementById("1.3").style.display = "none"
//document.getElementById("1.4").style.display = "none"
document.getElementById("2.1").style.display = "none"
document.getElementById("2.2").style.display = "none"
document.getElementById("2.3").style.display = "none"
document.getElementById("2.4").style.display = "none"
document.getElementById("3.1").style.display = "none"
document.getElementById("3.2").style.display = "none"
document.getElementById("3.3").style.display = "none"
document.getElementById("3.4").style.display = "none"
document.getElementById("4.1").style.display = "none"
document.getElementById("4.2").style.display = "none"
document.getElementById("4.3").style.display = "none"
document.getElementById("4.4").style.display = "none"
document.getElementById("1.1.1").style.display = "none"
document.getElementById("1.1.2").style.display = "none"
document.getElementById("1.1.3").style.display = "none"
document.getElementById("1.1.4").style.display = "none"
document.getElementById("1.2.1").style.display = "none"
document.getElementById("1.2.2").style.display = "none"
document.getElementById("1.2.3").style.display = "none"
document.getElementById("1.2.4").style.display = "none"
document.getElementById("1.3.1").style.display = "none"
document.getElementById("1.3.2").style.display = "none"
document.getElementById("1.3.3").style.display = "none"
document.getElementById("1.3.4").style.display = "none"
document.getElementById("1.4.1").style.display = "none"
document.getElementById("1.4.2").style.display = "none"
document.getElementById("1.4.3").style.display = "none"
document.getElementById("1.4.4").style.display = "none"
document.getElementById(type).style.display = ""
}
</script>
<!--Display box -->
<font face="Verdana, Geneva, sans-serif" size="4" color="#FF0000"><br />
Search Parts</font><br />
<br />
<select onchange="SetHTML2(this.value)">
<option selected="selected">Choose your option</option>
<option value="1">Beck</option>
<option value="2">BobCat</option>
<option value="3">Briggs</option>
<option value="4">Yazoo</option>
</select>
<span id="1" style="display:none" ><br /><select onchange="SetHTML2(this.value)">
<option selected="selected">Choose your option</option>
<option value="1.1">Beck 1</option>
<option value="1.2">Beck 2</option>
<option value="1.3">Beck 3</option>
<option value="1.4">Beck 4</option>
</select></span>
<span id="2" style="display:none"><br /><select onchange="SetHTML2(this.value)">
<option selected="selected">Choose your option</option>
<option value="2.1">BobCat 1</option>
<option value="2.2">BobCat 2</option>
<option value="2.3">BobCat 3</option>
<option value="2.4">BobCat 4</option>
</select></span>
<span id="3" style="display:none"><br /><select onchange="SetHTML2(this.value)">
<option selected="selected">Choose your option</option>
<option value="3.1">Briggs 1</option>
<option value="3.2">Briggs 2</option>
<option value="3.3">Briggs 3</option>
<option value="3.4">Briggs 4</option>
</select></span>
<span id="4" style="display:none"><br /><select onchange="SetHTML2(this.value)">
<option selected="selected">Choose your option</option>
<option value="4.1">Yazoo 1</option>
<option value="4.2">Yazoo 2</option>
<option value="4.3">Yazoo 3</option>
<option value="4.4">Yazoo 4</option>
</select></span>
<span id="1.1" style="display:none"><br /><select onchange="SetHTML2(this.value)">
<option selected="selected">Choose your option</option>
<option value="1.1.1">Beck 1.1</option>
<option value="1.1.2">Beck 1.2</option>
<option value="1.1.3">Beck 1.3</option>
<option value="1.1.4">Beck 1.4</option>
</select></span>
<span id="1.2" style="display:none"><br /><select onchange="SetHTML2(this.value)">
<option selected="selected">Choose your option</option>
<option value="1.2.1">Beck 2.1</option>
<option value="1.2.2">Beck 2.2</option>
<option value="1.2.3">Beck 2.3</option>
<option value="1.2.4">Beck 2.4</option>
</select></span>
<span id="1.3" style="display:none"><br /><select onchange="SetHTML2(this.value)">
<option selected="selected">Choose your option</option>
<option value="1.3.1">Beck 3.1</option>
<option value="1.3.2">Beck 3.2</option>
<option value="1.3.3">Beck 3.3</option>
<option value="1.3.4">Beck 3.4</option>
</select></span>
<span id="1.4" style="display:none"><br /><select onchange="SetHTML2(this.value)">
<option selected="selected">Choose your option</option>
<option value="1.4.1">Beck 4.1</option>
<option value="1.4.2">Beck 4.2</option>
<option value="1.4.3">Beck 4.3</option>
<option value="1.4.4">Beck 4.4</option>
</select></span>
<span id="2.1" style="display:none"> text </span>
<span id="2.2" style="display:none"> text </span>
<span id="2.3" style="display:none"> text </span>
<span id="2.4" style="display:none"> text </span>
<span id="3.1" style="display:none"> text </span>
<span id="3.2" style="display:none"> text </span>
<span id="3.3" style="display:none"> text </span>
<span id="3.4" style="display:none"> text </span>
<span id="4.1" style="display:none"> text </span>
<span id="4.2" style="display:none"> text </span>
<span id="4.3" style="display:none"> text </span>
<span id="4.4" style="display:none"> text </span>
<span id="1.1.1" style="display:none"> text </span>
<span id="1.1.2" style="display:none"> text </span>
<span id="1.1.3" style="display:none"> text </span>
<span id="1.1.4" style="display:none"> text </span>
<span id="1.2.1" style="display:none"> text </span>
<span id="1.2.2" style="display:none"> text </span>
<span id="1.2.3" style="display:none"> text </span>
<span id="1.2.4" style="display:none"> text </span>
<span id="1.3.1" style="display:none"> text </span>
<span id="1.3.2" style="display:none"> text </span>
<span id="1.3.3" style="display:none"> text </span>
<span id="1.3.4" style="display:none"> text </span>
<span id="1.4.1" style="display:none"> text </span>
<span id="1.4.2" style="display:none"> text </span>
<span id="1.4.3" style="display:none"> text </span>
<span id="1.4.4" style="display:none"> text </span>
<br />
<br /><a href="http://www.plpgolfandturf.com.au/rr/rrboxes_test.php"><img src="http://www.plpgolfandturf.com.au/rr/bt2.png" border="0" /></a>
Hi, I am trying to copy the value of one textbox to another using onchange event. For some reason, my code does not work, please let me know where I went wrong. here is my code: Code: <html>
<head>
<script type="text/javascript">
function copyText()
{
document.getElementById("field2").value=document.getElementById("field1").value;
}
</script>
</head>
<body>
Field1: <input type="text" id="field1"/><br />
Field2: <input type="text" id="field2" onchange="copyText()"/>
</body>
</html>
Thank you. I am trying to create an onChange action that will validate that confirmation checkbox has been checked, and if not, popup an alert message and put the focus on the checkbox input and change the class of the container DIV to "highlight". Here is the form, with the 'onchange' trigger: Code: <form id="checkout" name="my_form" method="post" action="!---SCRIPT_NAME---" onsubmit="return validForm(this);"> <div id="verification" class="aligncenter required"> <input type="checkbox" id="verified" name="verified" value="" /> <label for="verified">YES</label>, the items and quantities shown above are correct.</div> <div class="required"><label for="name">Name:</label><input id="name" name="contactname" type="text" class="L" onchange="" /></div> <div class="required"><label for="company">Company Name:</label><input id="company" name="company" type="text" class="L" /></div> <div class="buttonRow"><input type="submit" name="VERIFY" class="btn red" value="Continue" /></div> </form> And here is my javascript code: Code: function verifyOrder() {
if (document.my_form.verified.checked != "true") {
alert("Please verify the contents of your order");
document.my_form.verified.focus();
getElementById('document.my_form.verification').className='highlight'
return false;
}
}
But this is not working and generates errors in firebug. What am I doing wrong? Thanks!! Hi there - this seems like it should be an obvious problem - can anyone spot it? I have an object, declared this way: Code: var FK_gid = new picChooser('FK_gid', FK_gidArray);
FK_gid.init();
and a select group like this: Code: <select id = "FK_gid" name = "FK_gid"> <option value="none" selected="true" >None</option> <option value="335" >pics/zoobins.jpg</option> etc. etc. </select> picChooser in construction sets the onchange of the select group like this: Code: this.list = document.getElementById('FK_gid');
this.list.setAttribute("onchange", "FK_gid.displayImage();");
and the object's displayImage(); is like this: Code: this.displayImage = function () {
this.clearImage();
if (this.list.selectedIndex != 0)
{
pic = new Image();
pic.src = this.reformat(this.list.options[this.list.selectedIndex].innerHTML);
img = document.createElement("img");
img.src = pic.src;
this.preview.appendChild(img);
}
}
But whenever I choose something else off the list I get this error message: Code: TypeError: Result of expression 'FK_gid.displayImage' [undefined] is not a function. It's bizarre because when I type FK_gid.displayImage(); into Safari's dynamic console the function works perfectly... Any ideas? Thanks Edd |
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